nginx config for dynamic subdomain:subdirectory mapping

nginx.conf

user ameliaikeda staff;
worker_processes  2;

error_log  /Users/ameliaikeda/dev/error.log info;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  256;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;
    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;
    client_max_body_size 128m;
    #gzip  on;

    proxy_buffer_size   128k;
    proxy_buffers   4 256k;
    proxy_busy_buffers_size   256k;


    server {
        listen 80;
        listen 443 ssl;
        
        ssl_certificate /Users/ameliaikeda/dev/keys/amelia.pw.pem;
        ssl_certificate_key /Users/ameliaikeda/dev/keys/amelia.pw.key;
        
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        
        # prefer our ciphers, clients requesting something else will
        # be told to sod off and pick something from our list
        ssl_prefer_server_ciphers on;
        
        ssl_ciphers EECDH+HIGH+AES:EDH+HIGH+AES:!PSK:!SRP:!aNULL;
        
        # session cache for requests that is shared between
        # workers so they dont need to STARTLS
        ssl_session_cache shared:SSL:10m;
        
        # Strict Transport Security for browsers
        add_header Strict-Transport-Security max-age=15555000;
        
        index index.html index.php;
        server_name ~^(?<subdomain>.+)\.(amelia\.pw|local\.dev|dev|local)$;
        
        root /Users/ameliaikeda/dev/$subdomain/public;
        
        location / {
        	try_files $uri $uri/ /index.php?$query_string;
        }
        
        location ~ \.php$ {
        	include fastcgi.conf;
        	fastcgi_pass 127.0.0.1:9000;
            fastcgi_buffer_size   128k;
            fastcgi_buffers   4 256k;
            fastcgi_busy_buffers_size   256k;
        }
        
    }

}

You can expand this to whole domains in fact (if you wanted to let users pick their own custom domains).